DMM2P33K-F Equivalent & Substitute Parts

Part Overview

The DMM2P33K-F is a 0.33 µF film capacitor manufactured by Cornell Dubilier Electronics (CDE) with a 250V DC voltage rating and ±10% tolerance. This radial through-hole component utilizes polyester metallized dielectric technology and operates across a temperature range of -55°C to 125°C. The part is currently active in production with 801 units in stock and carries ROHS3 compliance certification.

Equivalent and substitute parts are identified to address application requirements including higher voltage ratings, improved tolerance specifications, alternative form factors, or extended lead spacing configurations while maintaining core electrical characteristics.

Key Parameters

Parameter	Value
Capacitance	0.33 µF
Tolerance	±10%
Voltage Rating - DC	250V
Voltage Rating - AC	160V
Dielectric Material	Polyester, Metallized
Operating Temperature Range	-55°C ~ 125°C
Mounting Type	Through Hole
Package / Case	Radial
Termination	PC Pins
Lead Spacing	0.591" (15.00mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the DMM2P33K-F are classified based on electrical and mechanical compatibility within the following parameters:

Electrical Compatibility Criteria:

Capacitance value: 0.33 µF (fixed requirement)
Voltage rating: Minimum 250V DC / 160V AC (equal or higher acceptable)
Tolerance: ±10% or tighter (±5% acceptable as upgrade)
Dielectric: Polyester metallized technology

Mechanical Compatibility Criteria:

Mounting type: Through hole radial configuration
Termination: PC pins
Lead spacing: 0.591" (15.00mm) primary; 0.394" (10.00mm) acceptable for space-constrained applications
Package case: Radial

Substitution Categories:

Direct Equivalents maintain identical electrical specifications and lead spacing (0.591" / 15.00mm), differing only in physical dimensions or manufacturer:

160334K250G-F (CDE)
B32522C3334K000 (EPCOS - TDK Electronics)
BFC237341334 (Vishay Beyschlag/Draloric/BC Components)

Upgrade Substitutes provide enhanced electrical performance through higher voltage ratings or improved tolerance:

DME4P33K-F (400V DC rating, ±10% tolerance)
B32522C3334J000 (250V DC rating, ±5% tolerance)

Similar Substitutes maintain electrical specifications but feature alternative lead spacing for compact PCB layouts:

DME2P33K-F (0.394" / 10.00mm lead spacing)

Parameter Comparison

Part Number	Manufacturer	Capacitance	Tolerance	Voltage DC	Voltage AC	Dielectric	Temp Range	Lead Spacing	Size L x W (mm)	Height Max (mm)	RoHS Status
DMM2P33K-F	CDE	0.33 µF	±10%	250V	160V	Polyester, Metallized	-55°C ~ 125°C	15.00mm	18.00 x 7.00	13.00	ROHS3
160334K250G-F	CDE	0.33 µF	±10%	250V	160V	Polyester, Metallized	-55°C ~ 105°C	15.00mm	18.00 x 6.00	12.00	ROHS3
DME4P33K-F	CDE	0.33 µF	±10%	400V	200V	Polyester, Metallized	-55°C ~ 125°C	15.00mm	18.50 x 7.50	16.40	ROHS3
DME2P33K-F	CDE	0.33 µF	±10%	250V	160V	Polyester, Metallized	-55°C ~ 125°C	10.00mm	12.50 x 7.00	13.50	ROHS3
B32522C3334K000	EPCOS - TDK Electronics	0.33 µF	±10%	250V	160V	Polyester (PET), Metallized - Stacked	-55°C ~ 125°C	15.00mm	18.00 x 5.00	10.50	ROHS3
B32522C3334J000	EPCOS - TDK Electronics	0.33 µF	±5%	250V	160V	Polyester (PET), Metallized - Stacked	-55°C ~ 125°C	15.00mm	18.00 x 5.00	10.50	ROHS3
BFC237341334	Vishay Beyschlag/Draloric/BC Components	0.33 µF	±10%	250V	160V	Polyester, Metallized	-55°C ~ 105°C	15.00mm	17.50 x 6.00	12.00	ROHS3

Engineering Selection Recommendations

Direct Substitution (Electrical and Mechanical Equivalence):

The parts 160334K250G-F, B32522C3334K000, and BFC237341334 provide direct substitution capability for the DMM2P33K-F. All three maintain identical capacitance, voltage rating, tolerance, and lead spacing specifications. Selection among these direct equivalents is determined by:

Availability and inventory levels
Manufacturer preference for supply chain consistency
Physical dimensions compatibility with PCB layout constraints
Compliance certifications (all carry ROHS3 status)

Upgrade Substitution (Enhanced Performance):

DME4P33K-F provides a voltage rating upgrade to 400V DC while maintaining the 0.33 µF capacitance and ±10% tolerance. This part is suitable for applications requiring higher voltage margin or operating in elevated voltage environments. The increased physical dimensions (18.50 x 7.50mm vs. 18.00 x 7.00mm) and height (16.40mm vs. 13.00mm) require PCB layout verification.

B32522C3334J000 offers improved tolerance specification (±5% vs. ±10%) while maintaining 250V DC rating. This part is applicable where tighter capacitance tolerance is required. The compact form factor (18.00 x 5.00mm, 10.50mm height) provides space savings compared to the main part.

Compact Form Factor Substitution:

DME2P33K-F maintains full electrical equivalence but features reduced lead spacing (10.00mm vs. 15.00mm) and smaller footprint. This part is suitable for space-constrained PCB designs where the 0.394" lead spacing accommodates the application layout.

Compliance and Certification:

All substitute parts carry ROHS3 compliance certification and REACH unaffected status, matching the regulatory requirements of the main part. EPCOS - TDK Electronics parts carry AEC-Q200 automotive qualification, providing additional assurance for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can the DME4P33K-F (400V) be used in place of the DMM2P33K-F (250V)?

A: Yes. The DME4P33K-F provides a higher voltage rating and is electrically compatible. The 400V rating exceeds the 250V requirement, making it suitable for direct substitution. However, the larger physical dimensions (18.50 x 7.50mm vs. 18.00 x 7.00mm) and increased height (16.40mm vs. 13.00mm) require verification against PCB layout constraints.

Q: What is the difference between B32522C3334K000 and B32522C3334J000?

A: Both parts are manufactured by EPCOS - TDK Electronics with identical electrical ratings (0.33 µF, 250V DC, 160V AC) and physical dimensions. The primary difference is tolerance specification: B32522C3334K000 carries ±10% tolerance while B32522C3334J000 carries ±5% tolerance. The tighter tolerance of the J-variant provides improved capacitance accuracy for precision applications.

Q: Can the DME2P33K-F be used in applications designed for the DMM2P33K-F?

A: The DME2P33K-F provides electrical equivalence (0.33 µF, 250V DC, ±10% tolerance) but features different lead spacing (10.00mm vs. 15.00mm). Direct substitution is possible only if the PCB layout accommodates the reduced lead spacing. Physical dimensions are also smaller (12.50 x 7.00mm vs. 18.00 x 7.00mm).

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance certification, matching the regulatory status of the main part DMM2P33K-F.

Q: What is the operating temperature difference between the DMM2P33K-F and 160334K250G-F?

A: The DMM2P33K-F operates across -55°C to 125°C, while the 160334K250G-F operates across -55°C to 105°C. The main part provides a 20°C higher maximum operating temperature. For applications requiring operation above 105°C, the DMM2P33K-F or other parts with -55°C to 125°C rating are required.

Q: Which substitute part offers the most compact form factor?

A: The B32522C3334K000 and B32522C3334J000 (both EPCOS - TDK Electronics) provide the most compact dimensions at 18.00 x 5.00mm with 10.50mm maximum height. These parts utilize stacked metallized polyester (PET) dielectric technology, resulting in reduced physical footprint compared to the main part.

Q: Can the BFC237341334 be used in automotive applications?

A: The BFC237341334 is rated for general purpose applications. For automotive-specific requirements, the EPCOS - TDK Electronics parts (B32522C3334K000 and B32522C3334J000) carry AEC-Q200 automotive qualification certification.

Q: What inventory levels are available for substitute parts?

A: Current inventory levels are: 160334K250G-F (839 units), DME4P33K-F (2,715 units), DME2P33K-F (2,200 units), B32522C3334K000 (5,171 units), B32522C3334J000 (8,571 units), and BFC237341334 (10,200 units).

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